TI E2E support forums
TI E2E support forums
  • User
  • Site
  • Search
  • User
  • E2E™ design support >
  • Forums
    • Amplifiers
    • API solutions
    • Audio
    • Clock & timing
    • Data converters
    • DLP® products
    • Interface
    • Isolation
    • Logic
    • Microcontrollers
    • Motor drivers
    • Power management
    • Processors
    • RF & microwave
    • Sensors
    • Site support
    • Switches & multiplexers
    • Tools
    • Wireless connectivity
    • Archived forums
    • Archived groups
  • Technical articles
  • TI training
    • Tech days
    • Online training
    • Live events
    • Power Supply Design Seminar
  • Getting started
  • 简体中文
  • More
  • Cancel
Power management

Power management

Power management forum

  • Mentions
  • Tags
  • More
  • Cancel
  • Ask a new question
  • Ask a new question
  • Cancel
Texas Instruments (TI) Power management support forum is an extensive online knowledge base where millions of technical questions and solutions are available 24/7. You can search power management IC content or ask technical support questions on everything from linear and DC/DC switching regulators to battery management and LED drivers. Find the right solution for your circuit design challenges by using our TI E2E™ support forums that are supported by thousands of contributing TI experts.
Frequent questions
  • [FAQ] TPS650330-Q1: How can I get Function Safety documents for TPS65033xx-Q1 devices?

    Phil Yi
    Phil Yi
    Part Number: TPS650330-Q1 The Function Safety documents are on TI MySecure folder. Customers can request access from the link below: https://www.ti.com/licreg/docs/swlicexportcontrol.tsp?form_id=302189&prod_no=TPS65033X-Q1_FUNCTIONAL_SAFETY_DOCS&ref_url…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS650330-Q1: How can I get design documents for TPS65033xx-Q1 devices?

    Phil Yi
    Phil Yi
    Part Number: TPS650330-Q1 The design documents (datasheets and TRM) are on TI MySecure folder. Customers can request access from the link below: www.ti.com/.../swlicexportcontrol.tsp Once approved, design documents can be accessed from the link…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ4050: FAQ Home Page

    Jose Couso
    Jose Couso
    Part Number: BQ4050 FAQs How to enter UNSEAL or FULL ACCESS modes after sealing the gauge? How long does the voltage on the PACK pin need to be applied to wake-up the gauge? What are the differences between hardware and firmware protections? …
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] What are the advantages to using Totem Pole PFCs in power supply applications?

    William Moore
    William Moore
    Other Parts Discussed in Thread: UCC27517A , UCC21551 , UCC27714 When looking for a power supply for an AC/DC system, high efficiency, high power factor (PF) and low power line harmonics are all of major concern. This article will take a look at power…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Why does SOC drop from 100% after full charge?

    Wyatt Keller
    Wyatt Keller
    The gauge takes an OCV measurements periodically when in relaxation and then uses this measurement to recalculate the remaining capacity and full charge capacity. If there is a change in conditions, like temperature, or every 5 hours in relaxation mode…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is the Update Status register not updating from 5 to 6?

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQSTUDIO One of the most common problems when trying to complete the learning cycle is having the Update Status (Learned Status) not transition from 0x05 to 0x06. This transition indicates that the gauge has updated the…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ27Z561 FAQs

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQ27Z561 , BQ27Z561-R2 , BQ27Z561-R1 BQ27Z561 FAQ Home Page This is the home page for common questions in relation to the BQ27Z561, BQ27Z561-R1, and BQ27Z561-R2. FAQs Related FAQ home pages: Impedance Track FAQ…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is the Update Status not updating from 4 to 5?

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQSTUDIO One of the most common problems when trying to complete the learning cycle is having the Update Status (Learned Status) not transition from 0x04 to 0x05. For this to happen, there must be at least a 90% change…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Thermal Dissipation from an LDO Perspective

    McKyla Beuttler
    McKyla Beuttler
    Other Parts Discussed in Thread: TPS7B86-Q1 , TPS745 One commonly misunderstood topic regarding low dropout regulators (LDOs) is thermal dissipation. LDOs drop the input voltage using a FET in order to achieve the desired output rail. This power dissipates…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ24800: What is the maximum duty cycle of BQ24800? Can this duty cycle support my input adapter voltage?

    Alec Lehman
    Alec Lehman
    Part Number: BQ24800 Other Parts Discussed in Thread: BQ24780S Customers are often interested in knowing the max duty cycle of the buck converter so they can estimate the max output voltage of the charger at different input voltages. The max duty cycle…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Not Answered

    UCD9080: UCD9080 0 Locked

    283 views
    1 reply
    Latest over 5 years ago
    by yihe
  • Answered

    BQ24630: IC suggestion for 12v UPS with lithium ion battery pack 0 Locked

    1937 views
    3 replies
    Latest over 5 years ago
    by Kedar Manishankar
  • Answered

    BQ78350-R2-DEVICE-FW: BQ78350-R2 GPC Report Error with "unidentified reason" 0 Locked

    481 views
    10 replies
    Latest over 5 years ago
    by Matt Sunna
  • Answered

    BQ24620: Need charger for 15 cells of LiFePo4 in series 0 Locked

    290 views
    1 reply
    Latest over 5 years ago
    by Kedar Manishankar
  • Not Answered

    BQ78350-R1A: BQ78350-R1 and BQ78350 comparison 0 Locked

    401 views
    1 reply
    Latest over 5 years ago
    by Matt Sunna
  • Suggested Answer

    BQ34Z100-G1: Schematic review of BG34z100-G1 Design 0 Locked

    410 views
    1 reply
    Latest over 5 years ago
    by Wyatt Keller
  • Not Answered

    BQ51050B: Can I input 5V directly to VRECT pin? 0 Locked

    212 views
    1 reply
    Latest over 5 years ago
    by Bill Johns
  • Answered

    CSD86360Q5D: ESD data request 0 Locked

    377 views
    5 replies
    Latest over 5 years ago
    by John Wallace1
  • Answered

    Asking for the NMOS design recommendation 0 Locked

    305 views
    1 reply
    Latest over 5 years ago
    by John Wallace1
  • Answered

    BQ34Z100-G1: error program chemistry 0 Locked

    746 views
    22 replies
    Latest over 5 years ago
    by micou ludovic
  • Answered

    TPS61252: Running at 6.5Vout 0 Locked

    243 views
    2 replies
    Latest over 5 years ago
    by Nate Enos
  • Suggested Answer

    BQ25619: Battery depletion threshold 0 Locked

    221 views
    1 reply
    Latest over 5 years ago
    by Ricardo
  • Suggested Answer

    WEBENCH® Tools/TPS40400: Iout Calibration Issue 0 Locked

    384 views
    2 replies
    Latest over 5 years ago
    by Peter James Miller
  • Answered

    BQ35100: How to get ChemID about non-rechargeable battery? 0 Locked

    286 views
    3 replies
    Latest over 5 years ago
    by Wyatt Keller
  • Suggested Answer

    TPS53353: TPS53353 load regulation 0 Locked

    325 views
    1 reply
    Latest over 5 years ago
    by Peter James Miller
  • Answered

    BQ25892: BQ25892 Not working without battery, battery doesn't seem to charge. 0 Locked

    605 views
    4 replies
    Latest over 5 years ago
    by der.uLe
  • Answered

    TPS548D22EVM-784: outer diameter of thermal via 0 Locked

    413 views
    2 replies
    Latest over 5 years ago
    by Peter James Miller
  • Suggested Answer

    TPS546C23: Cannot Set right voltage through PMBUS 0 Locked

    524 views
    5 replies
    Latest over 5 years ago
    by Peter James Miller
  • Suggested Answer

    TPS546D24AEVM: How to set output voltage higher than 1.5V? 0 Locked

    1418 views
    19 replies
    Latest over 5 years ago
    by Peter James Miller
  • Suggested Answer

    TPS40077: Output is not 3.3V 0 Locked

    371 views
    4 replies
    Latest over 5 years ago
    by Peter James Miller
<>